<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form th:action="@{/login}" method="post">
        username：
        <input type="text" id="username" name="username">
        password：
        <input type="password" id="password" name="password">
        <input type="submit" value="提交">
    </form>
</body>
</html>